[Bug c++/80542] Warn about accidental copying of data in range based for

[antoshkka at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80542

--- Comment #2 from Antony Polukhin <antoshkka at gmail dot com> ---
This issue could be closed. GCC 11 has the required -Wrange-loop-construct
warning: https://godbolt.org/z/343M6WMjb